18980584

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4643}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 41238720

約数和(自身を除く): 22258136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4643, 9286, 18572, 32501, 37144, 65002, 130004, 260008, 338939, 677878, 1355756, 2372573, 2711512, 4745146, 9490292, 18980584]

約数ペア:

[(1, 18980584), (2, 9490292), (4, 4745146), (7, 2711512), (8, 2372573), (14, 1355756), (28, 677878), (56, 338939), (73, 260008), (146, 130004), (292, 65002), (511, 37144), (584, 32501), (1022, 18572), (2044, 9286), (4088, 4643)]